TCA9406 Datasheet, PDF (8/19 Pages) Texas Instruments – 2-BIT BIDIRECTIONAL 1MHz, I2C BUS AND SMBUS VOLTAGE-LEVEL TRANSLATOR

TCA9406
SCPS221 – JULY 2010
www.ti.com
SWITCHING CHARACTERISTICS
over recommended operating free-air temperature range, V_CCA = 2.5 V ± 0.2 V (unless otherwise noted)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
TEST CONDITIONS
V_CCB = 2.5 V
± 0.2 V
MIN MAX
V_CCB = 3.3 V
± 0.3 V
MIN MAX
V_CCB = 5 V
± 0.5 V
MIN MAX
UNIT
t_PHL
A
t_PLH
Push-pull driving
Open-drain driving
B
Push-pull driving
Open-drain driving
3.2
1.7 6.3
3.5
43 250
3.7
2
6
4.1
36 206
3.8
2.1 5.8
ns
4.4
27 190
t_PHL
B
t_PLH
Push-pull driving
Open-drain driving
A
Push-pull driving
Open-drain driving
3
1.8 4.7
2.5
44 170
3.6
2.6 4.2
1.6
37 140
4.3
1.2
4
ns
1
27 103
t_en
OE
A or B
200
200
200 ns
t_dis
OE
A or B
50
40
35 ns
Push-pull driving
2.8 7.4 2.6 6.6 1.8 5.6
t_rA
A-port rise time
Open-drain driving
ns
34 149
28 121
24
89
Push-pull driving
3.2 8.3 2.9 7.2 2.4 6.1
t_rB
B-port rise time
Open-drain driving
ns
35 151
24 112
12
64
Push-pull driving
1.9 5.7 1.9 5.5 1.8 5.3
t_fA
A-port fall time
Open-drain driving
ns
4.4 6.9 4.3 6.2 4.2 5.8
Push-pull driving
2.2 7.8 2.4 6.7 2.6 6.6
t_fB
B-port fall time
Open-drain driving
ns
5.1 8.8 5.4 9.4 5.4 10.4
t_SK(O)
Max data rate
Channel-to-channel skew
Push-pull driving
Open-drain driving
0.7
0.7
0.7 ns
20
22
24
Mbps
2
2
2
8
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